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Statements of Financial Condition (Parenthetical) (USD $)
Jan. 31, 2013
Oct. 31, 2012
Statements of Financial Condition [Abstract]    
Redeemable Capital Shares, no par value      
Redeemable Capital Shares, shares authorized 26,500,000 26,500,000
Redeemable Capital Shares, shares issued 4,900,000 4,900,000
Redeemable Capital Shares, shares outstanding 4,950,000 4,950,000